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Objective To investigate the effects of acupuncture rehabilitation techniques combined with Xingnaojing injection on functional recovery and the plasam level of glial fibrillary acidic protein (GFAP) in patients with severe traumatic brain injury (STBI).Methods Eighty-four patients with STBI admitted to Department of Neurosurgery in Jiuquan People's Hospital from October 2013 to December 2015 were enrolled,they were divided into observation group (44 cases) and control group (40 cases) by random number table,all patients received the routine basic treatment,such as decreasing intracranial pressure,anti-infection,neural nutrition therapy,etc.In addition,the observation group was treated with acupuncture rehabilitation training (each training 50 minutes,1-2 times a day,10 times as a course of treatment,a total of 5 courses) and Xingnaojing injection (in 0.9％ normal saline or 5％ glucose injection 250 mL intravenous infusion,one time a day,10 days as a course of treatment,a total of 3 courses).The evaluation score of Montreal cognitive assessment (MoCA),Modified Barthel index (MBI),Fugl-Meyer assessment (FMA) of motor function score and the plasma levels of GFAP and myelin basic protein (MBP) were measured before and after treatment in the two groups.Results After treatment,the MoCA,MBI and FMA scores were significantly higher in two groups than those before treatment (all P ＜ 0.05),the contents of MBP and GFAP were significantly lower than those before treatment,and the changes in observation group were more significant than those in control group [visual space and execution capability (score):4.99 ± 0.67 vs.3.42 ± 0.73,denomination capability (score):2.98 ± 0.77 vs.2.84 ± 0.47,delayed memory (score):5.76± 0.33 vs.3.87± 2.08,attention (score):6.17± 0.65 vs.4.75 ± 0.81,speech capability (score):3.51 ± 0.46 vs.2.04 ± 0.13,abstract thinking capability (score):2.94 ± 0.27 vs.1.58 ± 0.96,orientation force (score):6.02±0.65 vs.4.88±0.62,FMA score:68.71 ±34.17 vs.41.13 ± 14.82,MBI score:69.12± 10.45vs.37.63±6.11,MBP (μg/L):1.32±0.23 vs.5.31±0.79,GFAP (μg/L):0.19±0.08 vs.0.39±0.04,all P ＜0.05].Conclusions Acupuncture rehabilitation training combined with Xingnaojing injection may obviously improve the cognitive and motor functions in patients suffered from STBI,and clinically the combined treatment is worthwhile to be used extensively.
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Objective To study the clinic value of digital three-dimensional shaping titanium mesh in repairing skull defects and reconstructing temporal muscle attachment points. Methods Eighty-two patients with skull defects from December 2013 to January 2016 were enrolled in this study. They were divided into two groups according to patients' will with 41 patients in each group. The patients in control group received traditional hand-shaping titanium mesh repair, the patients in observation group received individual digital forming technology to produce titanium mesh repair and reconstruct the temporal muscle attachment points at the titanium mesh temporal corresponding position. The rate of appearance satisfaction, operation time, the number of titanium nail and the rate of postsurgery adverse reaction was compared between the two groups. Results The rate of appearance satisfaction in observation group was significantly higher than that in control group: 97.56%(40/41) vs. 80.49%(33/41), P<0.05. The operation time and the number of titanium nail and in observation group was significantly lower than that in control group:(8.9 ± 1.6) h vs. (12.4 ± 2.4) h, (10.3 ± 0.9) pieces vs. (11.8 ± 1.8) pieces, P < 0.01. The rate of postsurgery adverse reaction in observation group was significantly lower than that in control group: 0 vs. 9.8%(4/41), χ2 = 4.21, P < 0.05. Conclusions The operation of repairing skull defects and reconstructing temporal muscle attachment points with digital three-dimensional shaping titanium mesh is simple. It can shorten the operation time, decrease the postsurgery adverse reaction, and increase the appearance satisfaction.
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Objective To investigate the clinical value of digital three-dimensional shaping titanium mesh and traditional hand-shaping titanium mesh in the repairing of skull defect surgery.Methods The clinical data of 78 patients with skull defect were retrospectively analyzed,they were divided into digital three-dimensional shaping titanium mesh group (41 cases) and traditional hand-shaping titanium mesh group (37 cases) according to the different titanium net,then the hospital stay,operative time,hospital costs,shaping satisfaction and postoperative complications between two groups were compared.Results The hospital costs and shaping satisfaction in digital three-dimensional shaping titanium mesh group were significantly higher than those in traditional hand-shaping titanium mesh group [(12 978.1 ± 4 765.7) yuan vs.(9 436.6 ±3 798.7) yuan,(9.87 ±0.13) scores vs.(9.41 ±0.09) scores],the complication rate was significantly lower than that in traditional hand-shaping titanium mesh group [4.9％ (2/41) vs.29.7％ (11/37)],there was significant difference (P ＜ 0.05).The hospital stay and operative time between two groups had no significant difference (P ＞ 0.05).Conclusion The digital three-dimensional shaping titanium mesh repair is convenient to operate,it can largely reduce the risks and complications of surgery,and can also achieve a high standard of modeling results,so is worthy of promotion.
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Baseline wander (BW) is a common noise contaminating electrocardiogram (ECG). In order to effectively correct baseline of ECG signal and to preserve more latent components of ECG signal, this paper proposes a simple and novel filter based on statistically weighted moving average. Firstly, after the arrange between the maximum and the minimum of these sampling values in a moving window was divided into many sections with equal width, several segments [a(k), b(k)] including most samples were determined. Then, for every sample point in the moving window its weight was decided according to the criterion: its weight was set as 1 if the sampling value belongs to [a(k), b(k)], otherwise, as 0. Lastly, all these ECG sampling points with 1 weight were averaged to estimate the real baseline in the moving window. The algorithm was tested by simulated signal and real signal from www. physionet. org. The results showed that compared to traditional moving average filter and wavelet package (WP) translation, the proposed filter could more effectively correct baseline in ECG signal and result in less distortion to ECG signal.
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Humans , Algorithms , Artifacts , Electrocardiography , Methods , Signal Processing, Computer-AssistedABSTRACT
Electrocardiogram (ECG) signals are often contaminated by residual power-line interference. In order to filter the noise and not to distort signal too much, certain types of digital notch filters need a narrow frequency band, but such a band leads to ineffective filtering in the case of frequency deviation of the interference. In this paper, we propose a novel arithmetic. Firstly, sinusoidal parameters (frequency and phase) are estimated from the sinusoidal values in the linear segment of ECG. Secondly, a sinusoid function in linear segment is determined by the estimated sinusoidal parameters. Thirdly, the interference values in the nonlinear segment closest to the linear segment are calculated by the sinusoid function. Lastly, we subtract the corresponding interference value from the real value. The experiment results show that, in comparison with other arithmetic, the novel arithmetic can more effectively remove the power-line interference from ECG signal.